Alert archive / Montana / Winter Storm Warnings in 2020
Winter Storm Warning 11, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Oct 21, 2020, 10:30 AM MDT. It was in force for 22 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 21, 2020, 10:30 AM MDT (16:30 UTC)
- Expired
- Oct 22, 2020, 8:27 AM MDT
- In force
- 22 hr
- Issued by
- NWS Great Falls, MT
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 1:05 AM MDT | Dense Fog Advisory | TFX | 9 hr | |
| Oct 21, 1:03 PM MDT | Snow Squall Warning | TFX | Cascade, Chouteau, Lewis and Clark | 57 min |
| Oct 21, 1:43 PM MDT | Winter Storm Watch | TFX | 37 hr | |
| Oct 21, 2:00 PM MDT | Snow Squall Warning | TFX | Cascade, Chouteau | 60 min |
Nearby
Winter Storm Warnings in Montana, 2020Every winter storm warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.